1. Beijing Key Lab of Traffic Engineering, Beijing University of Technology, P.O. Box 100022, 100# Pingleyuan, Chaoyang District, Beijing.
2. Beijing Key Lab of Traffic Engineering, Beijing University of Technology, P.O. Box 100022, 100# Pingleyuan, Chaoyang District, Beijing
3. College of Civil Engineering, Beijing University of Technology, P.O. Box 100022, 100# Pingleyuan, Chaoyang District, Beijing.